性能
| 播放控制器 |
Y |
| 记录时间 |
120 min |
| 视频丢失检测 |
Y |
| Number of motion detection zones |
396 |
| Two-way talk |
Y |
| People counting |
Y |
| 比特率 |
20000 Kbit/s |
| 以太网的数据传输率 |
10, 100 Mbit/s |
| 吞吐量数据率 |
80 Mbit/s |
| 核心的处理器数量 |
4 |
| 视频运动检测 |
Y |
| PTZ控制（平移/倾斜/缩放） |
Y |
| 内置处理器 |
Y |
| 备份功能 |
Y |
| 速射 |
Y |
| Multi-screen |
Y |
| 支持网络协议 |
HTTP, HTTPS, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE,DDNS, FTP |
| 用户数量 |
128 user(s) |
| 屏幕显示 |
Y |
| 视频输入通道 |
4 channels |
端口 & 界面
| 音频 RCA 输入接口 |
1 |
| 音频 RCA 输出接口 |
1 |
| SATA修订版 |
3.0 |
| 内部SATA端口数量 |
1 |
| 支持以太网（PoE） |
Y |
| 通过以太网（PoE）供电端口数量 |
4 |
| HDMI端口数量 |
1 |
| VGA（D-SUB）输出端口 |
1 |
能量控制
| 以太网（PoE）电源端口电源 |
25.5 W |
| 以太网（PoE）供电总功率概算 |
50 W |
存储介质
| 支持的硬盘数量 |
1 |
| 最大存储容量 |
6 TB |
| 硬盘接口 |
Serial ATA III |
另外
| HDMI 输出端口 |
Y |
| 以太网路(RJ-45)连接接口数量 |
1 |
Quad-core, HDMI, VGA, 3840 x 2160px, 4ch, 1 x SATA III, 2 x USB 2.0, H.265/H.264, RJ-45, 4 x PoE, 1U, 0.8 kg
System Overview
Dahua's NVR4000-4KS2 is the first Lite series NVRs which can support 4K and H.265. And, it has the most reasonable price and best quality. This Lite NVR provides up to 8MP resolution. For applications where details are critical for identification, it provides a powerful image performace with up to 4K resolution. Additionally, the NVR features a mouse shortcut operation menu, remote management and control, centre storage, edge storage, and back up storage.
Designed as a cost-effective, easy installation, this NVR is ideal for a wide range of applications such as public safety, water conservancy, transportation, city centers, education, and financial institutions.
The NVR is compatible with numerous third-party devices making it the perfect solution for surveillance systems with or without a video management system (VMS). Its open architecture supports multi-user access and is compatible with ONVIF 2.4, enabling interoperability when ombined with IP cameras.
